CSF / HCP / Shunting

Question 1

Normal CSF production rate (adults)

Answer 1

0.35 - 0.40 mL/min

Question 2

CSF volume / space

Normal
NPH
AD

Answer 2

Normal 150 ml
NPH 300 ml
AD 250 ml

Question 3

CSF turnover rate

Vol/day

Answer 3

Normal 4
NPH 1.2
AD 1.2

Question 4

NPH triad

Answer 4

Gait disturbance
Dementia
Urinary incontinence

Question 5

Rate of shunt malfunction at 1 year?

Rate of infection at 1 year?

Answer 5

40%

8-10%

Question 6

Rare complication of VA shunt?

Answer 6

Shunt nephritis

Question 7

ETV

Structures entering foramen of monro

Answer 7

Lateral - Thalamostriate
Medial - Anterior Septal Vein
Choroid Plexus

TV + ASV = ICV